JP2014232533A5 - - Google Patents
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- JP2014232533A5 JP2014232533A5 JP2014103364A JP2014103364A JP2014232533A5 JP 2014232533 A5 JP2014232533 A5 JP 2014232533A5 JP 2014103364 A JP2014103364 A JP 2014103364A JP 2014103364 A JP2014103364 A JP 2014103364A JP 2014232533 A5 JP2014232533 A5 JP 2014232533A5
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- 239000013598 vector Substances 0.000 claims 2
- 230000004931 aggregating effect Effects 0.000 claims 1
Claims (5)
候補文字列を生成するように入力テキスト画像についての文字認識を行うテキスト認識システムにより、
候補文字列に基づいて第１の表現を生成することと、
入力テキスト画像に基づいて第２の表現を生成することと、
共通埋め込み空間内の前記第１の表現と前記第２の表現との間の算出された類似度に基づいて前記候補文字列における信頼度を算出することと、
を備え、
前記第１の表現を生成することが、
前記候補文字列を複数の領域に分割することと、
前記複数の領域のそれぞれの表現を抽出することと、
を備え、
前記第１の表現が、前記複数の領域のそれぞれの表現を集約することにより、文字列表現として得られ、
前記第１の表現及び前記第２の表現のうちの少なくとも１つが前記共通埋め込み空間内に射影され、
前記文字認識を行うこと、前記第１の表現を生成すること、前記第２の表現を生成すること、及び、前記信頼度を算出することのうちの少なくとも１つが、コンピュータプロセッサによって行われる、方法。 In the method of calculating the reliability,
A text recognition system that performs character recognition on the input text image to generate candidate strings,
Generating a first representation based on the candidate string;
Generating a second representation based on the input text image;
Calculating a reliability in the candidate character string based on the calculated similarity between the first expression and the second expression in a common embedding space;
With
Generating the first representation comprises:
Dividing the candidate character string into a plurality of regions;
Extracting a representation of each of the plurality of regions;
With
The first representation is obtained as a character string representation by aggregating the respective representations of the plurality of regions,
At least one of the first representation and the second representation is projected into the common embedding space;
A method in which at least one of performing the character recognition, generating the first representation, generating the second representation, and calculating the reliability is performed by a computer processor. .
前記埋め込むことが、
前記文字列から特徴のセットを抽出することと、
前記文字列から抽出された特徴のセットに基づいて前記文字列表現を生成することと、
を備える、請求項１に記載の方法。 Generating the first representation comprises embedding a string in a vector space;
Said embedding,
Extracting a set of features from the string;
Generating the string representation based on a set of features extracted from the string;
The method of claim 1, comprising:
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/903,218 US9384423B2 (en) | 2013-05-28 | 2013-05-28 | System and method for OCR output verification |
| US13/903,218 | 2013-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014232533A JP2014232533A (en) | 2014-12-11 |
| JP2014232533A5 true JP2014232533A5 (en) | 2017-06-29 |
Family
ID=50732041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014103364A Withdrawn JP2014232533A (en) | 2013-05-28 | 2014-05-19 | System and method for ocr output verification |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9384423B2 (en) |
| EP (1) | EP2808827B1 (en) |
| JP (1) | JP2014232533A (en) |
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